Home / 42,804.36-64,206.78-15,102.36

Finding the Fourth Proportional to 42,804.36, 64,206.78 and 15,102.36

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Solution

The fourth proportional to 42,804.36, 64,206.78 and 15,102.36 is: 22,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,804.36 : 64,206.78 = 15,102.36 : x
  2. Step 2: Convert to fraction form
    42,804.36/64,206.78 = 15,102.36/x
  3. Step 3: Cross multiply
    42,804.36x = 64,206.78 × 15,102.36
  4. Step 4: Simplify right side
    42,804.36x = 969,673,906.00
  5. Step 5: Solve for x
    x = 969,673,906.00/42,804.36
  6. Step 6: Final answer
    x = 22,653.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.